[cfe-users] error: non-type template argument depends on a template parameter of the partial specialization

[Fletcher, John P]

John

I am copying this to the developers list which has a much higher traffic and where they are interested in things wrong with clang.

John Fletcher

-----Original Message-----
From: cfe-users-bounces at cs.uiuc.edu [mailto:cfe-users-bounces at cs.uiuc.edu] On Behalf Of John Owens
Sent: 15 November 2013 22:23
To: cfe-users at cs.uiuc.edu
Subject: [cfe-users] error: non-type template argument depends on a template parameter of the partial specialization

Greetings!

We're about to release a graph library for GPUs. The library compiles fine on, well, everything except clang (I'm using OS X), and it's because clang does not support the same template feature set as other compilers. ("error: non-type template argument depends on a template parameter of the partial specialization")

Here's the issue and the reply from Duane Merrill at NVIDIA:

https://github.com/gunrock/gunrock/issues/1

(I'll append a short version of it below.)

What I'd love to know is "is this something that clang will support in the near future / is there an easy clang workaround". If neither is true, perhaps we do some refactoring, per Duane's suggestion. But if either is true, that would ease our support issues.

JDO


load_tile.cuh:207:

        template <int LOAD, int dummy>
        struct Iterate<LOAD, LOAD_VEC_SIZE, dummy>

The error I'm getting is:

../../gunrock/util/io/load_tile.cuh:207:23: error: non-type template argument
      depends on a template parameter of the partial specialization _______________________________________________
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